增加统一倍率调整按钮

backend/internal/httpapi/billing_test.go

@@ -138,6 +138,7 @@ type billingHTTPServiceStub struct {
 	quote                                 billing.QuoteCommand
 	adjustment                            billing.AdjustmentCommand
 	pricePatch                            billing.PricePatch
+	bulkPricePatch                        billing.BulkPricePatch
 	price                                 *billing.PriceRule
 	err                                   error
 }
@@ -163,6 +164,10 @@ func (s *billingHTTPServiceStub) UpdatePrice(_ context.Context, _ string, patch
 	s.pricePatch = patch
 	return s.price, s.err
 }
+func (s *billingHTTPServiceStub) UpdatePrices(_ context.Context, patch billing.BulkPricePatch) ([]billing.PriceRule, error) {
+	s.bulkPricePatch = patch
+	return []billing.PriceRule{}, s.err
+}
 func (s *billingHTTPServiceStub) Adjust(_ context.Context, command billing.AdjustmentCommand) (billing.AdjustmentResult, error) {
 	s.adjustment = command
 	return billing.AdjustmentResult{Wallet: billing.Wallet{OrganizationID: command.OrganizationID, Currency: billing.CurrencyCNY}}, s.err